package demo2;

import java.util.Arrays;
import java.util.Comparator;

/**
 * @Author 12629
 * @Description：
 */
class Student implements Comparable<Student>{
    public String name;
    public int age;

    public Student(String name, int age) {
        this.name = name;
        this.age = age;
    }

    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }
    @Override
    public int compareTo(Student o) {
        return this.age - o.age;
    }
}

public class Test {

    public static void main(String[] args) {
        Student[] students = new Student[3];
        students[0] = new Student("zhangsan",10);
        students[1] = new Student("lisi",5);
        students[2] = new Student("abc",15);

        NameComparator nameComparator = new NameComparator();

        Arrays.sort(students,nameComparator);

        System.out.println(Arrays.toString(students));
    }

    public static void main1(String[] args) {
        Student student1 = new Student("zhangsan", 10);
        Student student2 = new Student("lisi", 5);

        System.out.println(student1.compareTo(student2));

        //年龄比较器
        AgeComparator ageComparator = new AgeComparator();
        int ret = ageComparator.compare(student1, student2);
        System.out.println(ret);

        //名字比较器
        NameComparator nameComparator = new NameComparator();
        int ret2 = nameComparator.compare(student1, student2);
        System.out.println(ret2);
    }
}

